JP3303114B2 - 油圧伝動装置 - Google Patents

油圧伝動装置

Info

Publication number
JP3303114B2
JP3303114B2 JP24881092A JP24881092A JP3303114B2 JP 3303114 B2 JP3303114 B2 JP 3303114B2 JP 24881092 A JP24881092 A JP 24881092A JP 24881092 A JP24881092 A JP 24881092A JP 3303114 B2 JP3303114 B2 JP 3303114B2
Authority
JP
Japan
Prior art keywords
fluid
pressure
valve
pump
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP24881092A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05215232A (ja
Inventor
デール ウッドレー ウエイン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eaton Corp
Original Assignee
Eaton Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of JPH05215232A publication Critical patent/JPH05215232A/ja
Application granted granted Critical
Publication of JP3303114B2 publication Critical patent/JP3303114B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/04—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
    • F16H39/06—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type
    • F16H39/08—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders
    • F16H39/16—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged perpendicular to the main axis of the gearing
    • F16H39/18—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged perpendicular to the main axis of the gearing the connections of the pistons being at the outer ends of the cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4043—Control of a bypass valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y10T137/7766—Choked passage through main valve head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7796—Senses inlet pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Compressor (AREA)
JP24881092A 1991-08-29 1992-08-25 油圧伝動装置 Expired - Fee Related JP3303114B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US751260 1991-08-29
US07/751,260 US5136845A (en) 1991-08-29 1991-08-29 Hydrostatic transmission and relief valve therefor

Publications (2)

Publication Number Publication Date
JPH05215232A JPH05215232A (ja) 1993-08-24
JP3303114B2 true JP3303114B2 (ja) 2002-07-15

Family

ID=25021209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24881092A Expired - Fee Related JP3303114B2 (ja) 1991-08-29 1992-08-25 油圧伝動装置

Country Status (4)

Country Link
US (1) US5136845A (de)
EP (1) EP0529657B1 (de)
JP (1) JP3303114B2 (de)
DE (1) DE69217430T2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592818A (en) * 1994-07-26 1997-01-14 Eaton Corporation Reversible hydrostatic transmission with dump valve
JP3599136B2 (ja) * 1995-10-09 2004-12-08 本田技研工業株式会社 静油圧式無段変速機の自動クラッチ装置
US6122996A (en) * 1998-11-20 2000-09-26 Hydro-Gear Limited Partnership Hydrostatic transmission
US6178746B1 (en) * 1998-03-31 2001-01-30 Unipat Ag Hydrostatic machines for use in transmission and transaxle product
US6151990A (en) * 1998-05-06 2000-11-28 Tecumseh Products Company Hydrostatic transaxle having a casing split along one or more vertical planes
US6223531B1 (en) 1998-11-20 2001-05-01 Hydro Gear Limited Partnership Housing and center section for hydrostatic transmission
US6185936B1 (en) 1998-11-20 2001-02-13 Hydro-Gear Limited Partnership Bypass for a hydrostatic transmission
US6986406B1 (en) 1998-11-20 2006-01-17 Hydro-Gear Limited Partnership Hydrostatic transmission
US6688433B1 (en) 1998-11-20 2004-02-10 Hydro-Gear Limited Partnership Filter for hydrostatic device
US6253637B1 (en) 1998-11-20 2001-07-03 Hydro-Gear Limited Partnership Control device for hydrostatic apparatus
US7454907B1 (en) 1998-11-20 2008-11-25 Hydro-Gear Limited Partnership Hydrostatic transmission
US6889595B1 (en) 1999-07-16 2005-05-10 Hydro-Gear Limited Partnership Pump
US7082762B1 (en) 1999-07-16 2006-08-01 Hydro-Gear Limited Partnership Pump
US6694729B1 (en) 1999-07-16 2004-02-24 Hydro-Gear Limited Partnership Pump
US7178336B1 (en) 1999-07-16 2007-02-20 Hydro-Gear Limited Partnership Pump
US6332393B1 (en) 1999-07-16 2001-12-25 Hydro-Gear Limited Partnership Pump
US7971435B2 (en) * 1999-10-26 2011-07-05 Kanzaki Kokyukoki Mfg. Co., Ltd. Hyrdaulic transmission
US7331177B2 (en) * 1999-10-26 2008-02-19 Kanzaki Kokyukoi Mfg. Co., Ltd. Hydrostatic transmission
JP2001124199A (ja) * 1999-10-26 2001-05-08 Kanzaki Kokyukoki Mfg Co Ltd 車軸駆動装置
US6966181B2 (en) * 1999-10-26 2005-11-22 Manabu Kawakami Hydrostatic transmission
US6494686B1 (en) 2000-10-30 2002-12-17 Hydro-Gear Limited Partnership Tandem pump and interface for same
US6793463B1 (en) 2000-10-30 2004-09-21 Hydro-Gear Limited Partnership Tandem pump and interface for same
US7340890B1 (en) 2001-02-20 2008-03-11 Hydro-Gear Limited Partnership Hydraulic apparatus with return to neutral mechanism
US6487857B1 (en) 2001-02-20 2002-12-03 Hydro-Gear Limited Partnership Zero-turn transaxle with mounted return to neutral mechanism
US6968687B1 (en) 2001-02-20 2005-11-29 Hydro-Gear Limited Partnership Hydraulic apparatus with return to neutral mechanism
US20030061901A1 (en) 2001-09-28 2003-04-03 Eaton Corporation Integral filter for hydrostatic transmission
US6672843B1 (en) 2002-04-08 2004-01-06 Hydro-Gear Limited Partnership Dual pump apparatus comprising dual drive shafts and auxiliary pump
US7383683B1 (en) 2002-07-31 2008-06-10 Hydro-Gear Limited Partnership Zero-turn hydrostatic transaxle
US6775976B1 (en) 2002-07-31 2004-08-17 Hydro-Gear Limited Partnership Zero-turn hydrostatic transaxle
US6681569B1 (en) 2002-07-31 2004-01-27 Hydro-Gear Limited Patnership Filter assembly for a hydrostatic transaxle
US6953327B1 (en) 2003-03-11 2005-10-11 Hydro-Gear Limited Partnership Dual pump
US7789846B2 (en) * 2005-01-25 2010-09-07 Thermopeutix, Inc. System and methods for selective thermal treatment
US7197873B1 (en) 2005-10-18 2007-04-03 Hydro-Gear Limited Partnership Assembly for use with a return to neutral mechanism
US7726126B1 (en) 2005-12-21 2010-06-01 Hydro-Gear Limited Partnership Dual pump apparatus with power take off
US7257948B1 (en) 2005-12-21 2007-08-21 Hydro-Gear Limited Partnership Dual pump apparatus
US8511079B2 (en) * 2009-12-16 2013-08-20 Eaton Corporation Piecewise variable displacement power transmission

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035593A (en) * 1960-07-20 1962-05-22 Austin Motor Co Ltd Hydrostatic power transmissions
US3199297A (en) * 1964-06-01 1965-08-10 Ford Motor Co Infinitely variable hydrostatic transmission system
GB1335370A (en) * 1970-12-31 1973-10-24 Staveley Mach Tools Hydraulic motor drive
US3704588A (en) * 1971-04-01 1972-12-05 Eaton Corp Acceleration control valve
US3906993A (en) * 1974-10-16 1975-09-23 Abex Corp Dual direction floating valve seat
IT1234497B (it) * 1989-09-28 1992-05-18 Var Spe Spa Variatore idrodinamico di velocita' a pistoni radiali perfezionato

Also Published As

Publication number Publication date
US5136845A (en) 1992-08-11
DE69217430D1 (de) 1997-03-27
EP0529657A3 (en) 1994-06-22
EP0529657A2 (de) 1993-03-03
DE69217430T2 (de) 1997-07-10
EP0529657B1 (de) 1997-02-12
JPH05215232A (ja) 1993-08-24

Similar Documents

Publication Publication Date Title
JP3303114B2 (ja) 油圧伝動装置
EP2079938B1 (de) Hydraulische getriebeanordnung
US6837047B2 (en) Hydraulic devices for smooth operations of hydrostatic transmission
US6109032A (en) Mechanism of returning to neutral for axle driving apparatus
US6530218B2 (en) Hydrostatic continuously variable transmission
KR100541307B1 (ko) 중립설정유압회로를구비한유체정역학식무단변속기
EP0807770B1 (de) Hydrostatisches,stufenlos verstellbares Getriebe
EP1167843B1 (de) Wechselventil mit verbesserten Schalteigenschaften
JP2000220568A (ja) 可変容量油圧ポンプ
EP0309223B1 (de) Stufenlos veränderbarer hydrostatischer Antrieb
US5836158A (en) Automatic clutch device for hydrostatic continuously variable transmission
JP3016057B2 (ja) 変速機
US5335495A (en) Brake valve
US6341488B1 (en) Mechanism of returning to neutral for axle driving apparatus
EP0698753B1 (de) Umkehrbares hydrostatisches Getriebe mit Entlastungsventil
JP2003014075A (ja) 静油圧伝達装置用電子制御式抑制装置
US6478549B1 (en) Hydraulic pump with speed dependent recirculation valve
US5590525A (en) Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same
JP2004525321A (ja) 車両油圧トランスミッション回路
JPH0517504Y2 (de)
JP2886816B2 (ja) 油圧式動力伝達継手
JPH01224521A (ja) ボールベアリング
JP2002013636A (ja) 流体圧伝動装置
JPS63205402A (ja) 回転流体圧力装置
JPS637278B2 (de)

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090510

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090510

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100510

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110510

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110510

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120510

Year of fee payment: 10

LAPS Cancellation because of no payment of annual fees